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C3
BLOCK DIAGRAM & CIRCUIT DIAGRAMS
BLOCK DIAGRAM
B901
A
C IN
B903
DEGAUSSING
COIL
B101
B103 B104
FUNCTION BOARD
SIGNAL BOARD
P201
P201
AC SWITCH
B902
VIDEO BOARD
CRT
B201
W801
B501
W802
P401
H-DY & V-DY
SPEAKER
W702
L8MW5-WD
MAIN BOARD
CHEOMINANCE
SWITCH
TDA8361
IC202
COLOR
KILLER
XTAL
OSCILATOR
LUMINANCE
SWITCH
TRAP
C
BANDPASS
Y DELAY
PEAKING
VERTICAL
OUT
H/V SYNC
SEPARATOR
HUE
CONTROL
DE-
MODULATOR
PHASE
FBI
PHASE2
37
25 17 18
R
G
RGB
B
B
G
R
24
23
22
26
COLOR
28
29
R-Y
30
31
12
11
16
14
B-Y
B-Y
R-Y
19 20 21
BLANK
3938
41
VFB
PHASE
DETECTOR
ACC
AMPRIFIER
MATRIX
TINT
27
RGB
CLAMP
SWITCH
OUTPUT
STAGES
LUMINANCE
MATRIX
16
14
15
43
34
35
BRIGHT
VMUTE
CON
BRI
DELAY
LINE
TDA4665
IC203
FLYBACK
GENERATOR
OUTPUT
STAGE
GUARD
CIRCUIT
VOLTAGE
STABILIZER
DRIVER
TDA3653B
VERTICAL DEFELECTION
1,3
9
8
6
5
4
IC301
IC103
V IN
A
B
BNC201
BNC202
BNC203
YC201
Y IN
C IN
IN A
RCA701
RCA703
RCA705
IN B
IN Y/C
SYNC
SEP
4
6
1
1
4
6
8
2
CTLA
CTLB
3
IC201
8
2
CTLA
SHARP
CTLB
3
IC202
IC101
(SIGNAL)
(MAIN)NT68P61A
(MAIN)
(MAIN)
(MAIN)
(VIDEO)
(SIGNAL)
6
1
4
8
3
5
AMP
VOL
X201
3.58M
X202
4.43M
VIDEO PROCESS
6,8
2
CTLA
CTLB
3
IC701(MAIN)
IC701(SIGNAL)
SP
VIN
SYNC
SEP
SYNC
SEP
CRT
R,G,B
R/G/B
DRIVE AMP
Q801~Q806
VR802
B GAIN
VR804
R GAIN
X202
4.43M
VR801
R BIAS
VR803
B BIAS
VR805
G BIAS
BNC204
75ohm
75ohm
YC202
NTSC
1
2
40
39
38
37
31
32
25
NTSC
PA L
PA L
VSYNC
23
CTLA
CTLA
5V
22
4
7
8
Q106
34
3
9~14
X101
MUTE
CONTROL
KEYS
8M
28~30
CTLB
SIG IN
RESET
VOL
MUTE
KEY SCAN
CTLB
HSYNC
TINT
TINT
COLOR
COLOR
SHARP
SHARP
VMUTE
VSYN0
SCL
SCL
24
SDA
SDA
36
BRIGHT
BRIGHT
35
CONT
CONT
Q203,
Q206
Q204,
Q207
Q201,
Q205
ABL
NTSC
VR401
H-PHASE
Q407
SCL
SDA
910
8M
3
4
X103
1213 14 15
RGB
ON SCREEN
DISPLAY
VOL
24V
T401
Q402
Q401
PA L
Q303,
Q304
V-DY
VFB
VR302
V-LIN
VR303
V-CENTER
BIAS
VR301
V-SIZE
FBT
FBI
VIDEO +B
AUDIO B
XREY
PROTECTION
D504,ZD501,
Q501,Q503,
VR503
HV,FOCUS,
SCREEN,HEATER
TO CRT
CONT
VR501
Q502
ABL
VR502
SUB-CONT
ABL
XREY
DRIVE
DRIVE
T301
VMC-8613B_BLK
H-DY
PIN
Q301, Q302
VR304
PIN
+
CONTROL
Y OUT
C OUT
OVERALL WIRING